PEP8 requires lowercase variable name

henklaak · henklaak · commit f990f409d4c9 · 2023-02-17T14:38:28.000+01:00
diff --git a/control/tests/freqresp_test.py b/control/tests/freqresp_test.py
@@ -376,13 +376,13 @@ def test_phase_wrap(TF, wrap_phase, min_phase, max_phase):
 
 
 def test_phase_wrap_multiple_systems():
-    G = ctrl.zpk([],[1,1], gain=1)
+    sys_unstable = ctrl.zpk([],[1,1], gain=1)
 
-    mag, phase, omega = ctrl.bode(G)
+    mag, phase, omega = ctrl.bode(sys_unstable)
     assert(np.min(phase) >= -2*np.pi)
     assert(np.max(phase) <= -1*np.pi)
 
-    mag, phase, omega = ctrl.bode((G,G))
+    mag, phase, omega = ctrl.bode((sys_unstable, sys_unstable))
     assert(np.min(phase) >= -2*np.pi)
     assert(np.max(phase) <= -1*np.pi)
 
